H3C Technologies H3C S3600 Series Switches - Manual (Page 1122)

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Displaying and Maintaining DNS
To do… Use the command… Remarks
Display static DNS database display ip host
Display the DNS server
information display dns server
[ dynamic ]
Display the DNS suffixes
display dns domain
[ dynamic ]
Display the information in the
dynamic domain name cache
display dns dynamic-host
Display the DNS resolution
result nslookup type { ptr ip-address
| a domain-name }
Available in any view
Clear the information in the
dynamic domain name cache
reset dns dynamic-host Available in user view
DNS Configuration Examples
Static Domain Name Resolution Configuration Example
Network requirements
The switch uses static domain name resolution to access host 10.1.1.2 through domain name
host.com.
Network diagram
Figure 1-2 Network diagram for static DNS configuration
Configuration procedure
# Configure a mapping between host name host.com and IP address 10.1.1.2.
system-view
[Sysname] ip host host.com 10.1.1.2
# Execute the ping host.com command to verify that the device can use static domain name resolution
to get the IP address 10.1.1.2 corresponding to host.com.
[Sysname] ping host.com
PING host.com (10.1.1.2): 56 data bytes, press CTRL_C to break
Reply from 10.1.1.2: bytes=56 Sequence=1 ttl=127 time=3 ms
Reply from 10.1.1.2: bytes=56 Sequence=2 ttl=127 time=3 ms
Reply from 10.1.1.2: bytes=56 Sequence=3 ttl=127 time=2 ms
Reply from 10.1.1.2: bytes=56 Sequence=4 ttl=127 time=5 ms
Reply from 10.1.1.2: bytes=56 Sequence=5 ttl=127 time=3 ms